Austin lowry



(No Model.)

4 A. LOWRY. POTTERY MAGHINB FOR FORMING OVAL WARE.

Patented May 8, 1-894.

flbtomwg ITNOGRAPNING coMPAw'f UNITED STATES PATENT OFFICE.

AUSTIN IJOWRY, OF ROSEVILLE, OHIO, ASSIGNOR OF TWO-THIRDS TO JOHN H.BEEM AND GEORGE LOWRY, OF SAME PLACE.

POTTERY-MACHINE FOR FORMING OVAL WARE.

SPECIFICATION forming part of Letters Patent No. 519,610,'dated May 8,1894.

Application filed January 5, 1894- Serial No. 495,833- (No model.) I

.a portion thereof; and Fig. 3 a horizontal section taken on the line 3,3 of Fig. 1.

This invention relates to that class of pottery machines designed toform oval and other non-circular ware, the special object of theinvention being to adapt the simple machines now in common use informing circular ware for the forming of non-circular vessels, as morefully hereinafter appears.

Referring to the drawings, the numeral 1 designates a suitable base, 2 astandard mount-v ed thereon, 3a vertically swinging lever pivoted on thestandard and carrying a suitable forming-tool 4. A plate 5 is supportedupon two rollers 6 journaled fmovably in recesses in the base, andstepped in a socket 7 on plate 5 is a vertical shaft 8, which carriesatits upper end the usual mold-holder 9 and about midway its length theusual tight and loose pulleys 10. The shaft may be driven by means ofmanual or other power, the driving belt working on the pulleys 10.Secured on the vertical shaft are two cams 11, one being located abovethe pulleys and the other below the same and each being provided with avertical flange extending entirely around its edge on its upper side.These cams are shaped alike and are set directly in line with each otheron the shaft; they are shown as being elliptical, but of course they maybe otherwise shaped, according to the contour of the crock desired.Secured stationarily on the standard 2 are two pairs of arms 12, onepair being located adjacent to each cam. The upper member of each pairis longer than the lower I member thereofand extends over or beyond theflange on the adjacent cam, while the lower member of each pair of armsterminates short of the adjacent cam. Secured on the end of each of theupper arms is a roller 13 which extends downward and bears upon theinner side of the flange of the adjacent cam, and journaled on each ofthe shorter arms is a vertical roller 14 which bears upon the adjacentcam. These rollers 13 and 14: may have her or other suitable cushioningmaterial.

To assist in supporting the shaft 8 in a vertical position and at thesame time permit it to move horizontally a limited distance, horizontalrods 15 are connected to said shaft near its upper and lower ends, theouter ends of said rods are pivotally connected to a suitable post bymeans of adjustable bolts 16. The inner ends of rods 15 carry collarswhich looselyembrace shaft 8, thereby permitting the latter to revolvefreely. It will be observed that as the shaft 8 is revolved, the flangedoval cams working against the stationary rollers will cause said shaft 8to move bodily in ahorizontal direction without throwing it out of atrue vertical position. As the shaft shifts back and forth it carrieswith it the'plate 5 supported on the rollers and also the head!) carriedat its upper end. While the shaft is thus rotating and also movingbodily horizontally, the operator'manipulates the tool 4: vertically toform the crock in the usual manner. -It is understood of course that theusual removable mold is carried by the head 9 to give the exteriorcontour to the crock, the interior shape being imparted to that theinterior of the molds themselves may their bearing surfaces covered withhard rubbe shaped by means of this machine, thereby insuring auniformly-shaped article. It will also be seen that the cams may bevaried in shape according to the shape of the articles desired.

Having thus fullydescribed my invention, 7

what I claimis 1. In a pottery machine the combination of a base and astandard thereon, a bodily movable shaft supported adjacent to saidstandard, means for bodily moving said shaft during its rotation,horizontally swinging arms connected to said shaft and adapted to beconnected to a stationary post, and a forming tool, substantially asdescribed.

2. In a pottery machine, the combination of on said plate and carryingamold head, means for driving the shaft, horizontally swinging armssupporting the shaft and adapted to be connected to an adjacentstationary part, oval shaped cams secured on the vertical shaft andflanged, rollers engaging the flanges on the cams and journaled onstationary arms carried by the standard, and a movable forming tool,substantially as described.

In testimony whereof I affix my signature in presence of two witnesses.

AUSTIN LOWRY.

Witnesses:

J OHN A. WILLIAMS, JOHN W. WILLIAMs,

